The maximum power per channel of this amplifier is 15 W. This is a very high quality amplifier version, popular in the 50s and 60s. The critical components, in addition to the tubes are the ultraline and power transformers.
This excellent amplifier is commercial (Okinawa) being sold at very high prices at the time it was manufactured. With inputs for various types of signal sources, it has excellent features such as: frequency response from 20 Hz to 30 Hz with +/- 2 dB. The linear distortion at 11 W is 1% and at 15 W at 2%.
The complete diagram of the amplifier is given in figure 1. This diagram was obtained from an original amplifier document.
Figure 1 - Full diagram of the amplifier.
